Add support for statistical processing and testing set.
 On branch master
 Changes to be committed:
	modified:   POS/src/in/ac/iitd/cse/Classifier/PrepareInstance.java
	modified:   POS/src/in/ac/iitd/cse/Classifier/SMOClassifier.java
	modified:   POS/src/in/ac/iitd/cse/Tests/Utilities.java